朝貢ちょうこう Noun Irregular Intransitive English jmdict 1 noun (common) (futsuumeishi) noun or participle which takes the aux. verb suru intransitive verb bringing tribute
朝貢貿易ちょうこうぼうえき Noun English jmdict 1 noun (common) (futsuumeishi) historical term tributary trade system (of China)